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Finding the Fourth Proportional to 522,934.20, 784,474.20 and 223,412.40

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Solution

The fourth proportional to 522,934.20, 784,474.20 and 223,412.40 is: 335,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,934.20 : 784,474.20 = 223,412.40 : x
  2. Step 2: Convert to fraction form
    522,934.20/784,474.20 = 223,412.40/x
  3. Step 3: Cross multiply
    522,934.20x = 784,474.20 × 223,412.40
  4. Step 4: Simplify right side
    522,934.20x = 175,261,263,760.08
  5. Step 5: Solve for x
    x = 175,261,263,760.08/522,934.20
  6. Step 6: Final answer
    x = 335,149.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.